An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 409
*-lron Core A B Fig. 252. — Two types of transformer. A, Core type; B, Shell type. which the coils are wound around two sides of a rectangulariron core, and (b) the shell type (Fig. 252, B), in which theiron core is built around the laminated coils. In both thesetypes the cores are built up of thin…
Electricity · Magnetism
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